for example, we have some video to show you of a richard nixon appearing clammy and tired next to a tanned and rested, youthful and fabulous jfk, jr.. this is all relately started to, be more about appearance and, then, actual substance, right? who do you think will prevail, ed? >> i think they both have pretty good style or substance. i don't think either one whip open enough big enough gap. melissa: style, mitt romney, with would be the problem if it came down to style? what would you worry about? >> mitt needs to make it a debate about substance. my worry could be he could get bogged down in details of that substance. if he can't hold the president accountable for how you close 900 dal billion of spending or tax increases, he can not win the debate with enough of a margin to matter. to do that successfully on tv i think is very difficult. melissa: paul, what do you think? >> well i think there is a second element of intrigue here and that is how you're responding as the camera is on you when your opponent is saying bad things about you. melissa: that's a good point. >> all of these clip